Characteristics | Sensitivity (%) | Specificity (%) | PPVb (%) (95% CI)b | NPVb (%) |
---|---|---|---|---|
ALL (19 incident TB, 1212 not TB)a | ||||
TNF > Median | 68 | 49 | 2 (1,4) | 99 |
INF > Median | 67 | 51 | 2 (1,4) | 99 |
IL10 > Median | 61 | 50 | 2 (1,3) | 99 |
All > Median | 47 | 80 | 4 (2,7) | 99 |
Any > Median | 79 | 22 | 2 (1,3) | 100 |
TST- | 0 | 49 | 0 | 100 |
Initial TST+ | 79 | 59 | 3 (2,5) | 99 |
Converter | 27 | 92 | 4 (1,11) | 99 |
TST+/Converter | 100 | 51 | 3 (2,5) | 100 |
Age < 15 years | 5 | 89 | 1 (0, 5) | 98 |
Age > = 15 years | 95 | 11 | 2 (1,3) | 99 |
TST+/Converter (19 incident TB, 595 not TB)a | ||||
TNF > Median | 68 | 51 | 4 (2, 7) | 98 |
INF > Median | 50 | 50 | 3 (2, 6) | 97 |
IL10 > Median | 61 | 51 | 4 (2, 6) | 98 |
All > Median | 37 | 80 | 5 (2, 11) | 97 |
Any > Median | 74 | 22 | 3 (2, 5) | 96 |
TST+/Converter and age < 15 years (1 incident TB, 33 not TB)a | ||||
TNF > Median | 100 | 52 | 6 (0, 31) | 100 |
INF > Median | 100 | 53 | 6 (0, 32) | 100 |
IL10 > Median | 100 | 53 | 6 (0, 32) | 100 |
All > Median | 100 | 91 | 25 (1, 78) | 97 |
Any > Median | 100 | 18 | 4 (0, 20) | 86 |
TST+/Converter and age > = 15 years (18 incident TB, 562 not TB)a | ||||
TNF > Median | 67 | 51 | 4 (2, 7) | 98 |
INF > Median | 47 | 50 | 3 (1, 6) | 97 |
IL10 > Median | 59 | 51 | 4 (2, 7) | 98 |
All > Median | 33 | 79 | 5 (2, 11) | 97 |
Any > Median | 72 | 22 | 3 (2, 5) | 96 |
Contacts with Cough (5 incident TB, 148 not TB)a | ||||
TNF > Median | 80 | 53 | 5 (2, 14) | 99 |
INF > Median | 60 | 51 | 4 (1, 12) | 97 |
IL10 > Median | 60 | 50 | 4 (2, 7) | 97 |
All > Median | 40 | 81 | 7 (1, 24) | 98 |
Any > Median | 80 | 22 | 3 (1, 9) | 97 |
Contacts with Fever or Weight Loss (1 incident TB, 68 not TB)a | ||||
TNF > Median | 100 | 53 | 3 (0, 18) | 100 |
INF > Median | 100 | 52 | 3 (0, 18) | 100 |
IL10 > Median | 100 | 51 | 3 (0, 17) | 100 |
All > Median | 100 | 85 | 9 (0, 43) | 100 |
Any > Median | 100 | 19 | 2 (0, 11) | 100 |
Contacts with Immune Compromising Conditions (10 incident TB, 844 not TB)a | ||||
TNF > Median | 80 | 51 | 2 (1, 4) | 99 |
INF > Median | 89 | 51 | 2 (1, 4) | 100 |
IL10 > Median | 89 | 51 | 2 (1, 4) | 100 |
All > Median | 70 | 80 | 4 (2, 8) | 100 |
Any > Median | 90 | 21 | 1 (1, 3) | 99 |